Travel mug



FIG. 1 is a perspective view of the travel mug;

FIG. 2 is a side elevation of the travel mug taken from the left of FIG. 1, it being understood that the view of FIG. 2 is also a mirror image of an elevational view of the travel mug taken from the right side of FIG. 1;

FIG. 3 is an elevation of the travel mug from the side thereof opposite the handle;

FIG. 4 is a side elevation of the travel mug from the side thereof bearing the handle;

FIG. 5 is a bottom view of the travel mug; and,

FIG. 6 is a plan view of the travel mug. 

The ornamental design for a travel mug, as shown and described. 